Satisfy mypy and (re-)move files

cheuph/message.py

@@ -1,37 +0,0 @@
-from typing import Hashable, Optional
-
-from .markup import AttributedText
-
-__all__ = ["Message"]
-
-
-class Message:
-    def __init__(self,
-            message_id: Hashable,
-            parent_id: Optional[Hashable],
-            author: str,
-            content: str,
-            ) -> None:
-        self._message_id = message_id
-        self._parent_id = parent_id
-        self._author = author
-        self._content = content
-
-    @property
-    def message_id(self) -> Hashable:
-        return self._message_id
-
-    @property
-    def parent_id(self) -> Optional[Hashable]:
-        return self._parent_id
-
-    @property
-    def author(self) -> str:
-        return self._author
-
-    @property
-    def content(self) -> str:
-        return self._content
-
-    def render_content(self) -> AttributedText:
-        return AttributedText(self.content)